Package org.eclipse.swt.events

Class SelectionEvent

java.lang.Object

java.util.EventObject

org.eclipse.swt.events.TypedEvent

org.eclipse.swt.events.SelectionEvent

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

ExpandEvent, TreeEvent

public class SelectionEvent
extends TypedEvent

Instances of this class are sent as a result of widgets being selected.

Note: The fields that are filled in depend on the widget.

See Also:

• SelectionListener
• Sample code and further information
• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
int	detail	Extra detail information about the selection, depending on the widget.
boolean	doit	A flag indicating whether the operation should be allowed.
int	height	The height of selected area.
Widget	item	The item that was selected.
int	stateMask	The state of the keyboard modifier keys and mouse masks at the time the event was generated.
String	text	The text of the hyperlink that was selected.
int	width	The width of selected area.
int	x	The x location of the selected area.
int	y	The y location of selected area.

Fields inherited from class org.eclipse.swt.events.TypedEvent

data, display, time, widget

Fields inherited from class java.util.EventObject

source

Constructor Summary

Constructors

Constructor	Description
SelectionEvent(Event e)	Constructs a new instance of this class based on the information in the given untyped event.

Method Summary

Modifier and Type	Method	Description
String	toString()	Returns a string containing a concise, human-readable description of the receiver.

Methods inherited from class java.util.EventObject

getSource

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details

item

public Widget item

The item that was selected.

detail

public int detail

Extra detail information about the selection, depending on the widget.

Sash

• SWT.DRAG

ScrollBar and Slider

• SWT.DRAG
• SWT.HOME
• SWT.END
• SWT.ARROW_DOWN
• SWT.ARROW_UP
• SWT.PAGE_DOWN
• SWT.PAGE_UP

Table and Tree

• SWT.CHECK

Text

• SWT.CANCEL

CoolItem and ToolItem

• SWT.ARROW

x

public int x

The x location of the selected area.

y

public int y

The y location of selected area.

width

public int width

The width of selected area.

height

public int height

The height of selected area.

stateMask

public int stateMask

The state of the keyboard modifier keys and mouse masks at the time the event was generated.

Note: Mouse button states are currently not included consistently for all widgets on all platforms. Clients should be prepared to receive button states, but should not rely on getting them everywhere.

See Also:

• SWT.MODIFIER_MASK
• SWT.BUTTON_MASK

text

public String text

The text of the hyperlink that was selected. This will be either the text of the hyperlink or the value of its HREF, if one was specified.

Since:

3.1

See Also:

• Link.setText(String)

doit

public boolean doit

A flag indicating whether the operation should be allowed. Setting this field to false will cancel the operation, depending on the widget.

Constructor Details

SelectionEvent

public SelectionEvent(Event e)

Constructs a new instance of this class based on the information in the given untyped event.

Parameters:

e - the untyped event containing the information

Method Details

toString

public String toString()

Returns a string containing a concise, human-readable description of the receiver.

Overrides:

toString in class TypedEvent

Returns:

a string representation of the event